71.   But even hardened law enforcement officers were left shaken and nauseated by what they saw in the sheds.

72.   But in order to resume training now with inert bombs, federal law enforcement officers will have to remove the demonstrators.

73.   But its busy backdrop of Half Dome and other park landmarks has proved hard for some law enforcement officers to read at night, Newsom said.

74.   But law enforcement officers, including sky marshals, are taught which areas of a plane would be dangerous to strike with a bullet.

75.   But only law enforcement officers are allowed to own or carry guns in the District of Columbia.

76.   But only if a law enforcement officer actually sees you light the fuse.

77.   But the fact is that the American people need to know that two top law enforcement officers believe the attorney general is derelict.

78.   But the rest are local law enforcement officers whose thousands of business-related flights each year have thrust them onto the newly drawn front line of airline security.

79.   But the rest are law enforcement officers whose thousands of business-related flights each year have thrust them onto the newly drawn front line of airline security.

80.   But to catch them, law enforcement officers must witness the transaction or be a part of it.